Bamboo [1] is a resilient, renewable flooring material that offers the warmth of wood with a contemporary twist. It's available in various finishes and cuts; however, some finishes scratch [2] and ding easily.
Links:
[1] http://www.moneypit.com/audio-q-a/bamboo-floor-maintainence
[2] http://www.moneypit.com/audio-q-a/repair-scratches-hardwood-floor